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WmCh one wouldl produce matchedl-pair t-procedure? I Is blood pressure altered by use of an oral not using an OC with contraceptive? Comparing sample of %ommem Sai...

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WmCh one wouldl produce matchedl-pair t-procedure? I Is blood pressure altered by use of an oral not using an OC with contraceptive? Comparing sample of %ommem Saiple of WOmen taking II: verage cholesterol level in general adult population 175 Take of adults with *high cholesterol' parents ergl level Bample Is the HCAH cholesterol higher in dhis population? MIL Does bread lose vitamin with storage? Take sample of bread loaves and compare vitamin content riglt after baking andl "eai

WmCh one wouldl produce matchedl-pair t-procedure? I Is blood pressure altered by use of an oral not using an OC with contraceptive? Comparing sample of %ommem Saiple of WOmen taking II: verage cholesterol level in general adult population 175 Take of adults with *high cholesterol' parents ergl level Bample Is the HCAH cholesterol higher in dhis population? MIL Does bread lose vitamin with storage? Take sample of bread loaves and compare vitamin content riglt after baking andl "eain ater % dars later_ IV. Does bread lose vitain with storage' Takc siuple of bread loaves just baked und shmple ol brend loaves stored for % davs Ad COmpteaAAnin conteut: Md M oulv IL and III onlv and IVonlv III only



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Medical Express each quantity in the standard SI units requested. (a) An adult should have no more than $2500 \mathrm{mg}$ of sodium per day. What is the limit in kg? (b) A 240-mL cup of whole milk contains $35 \mathrm{mg}$ of cholesterol. Express the cholesterol concentration in the milk in $\mathrm{kg} / \mathrm{m}^{3}$ and in $\mathrm{mg} / \mathrm{mL}$. (c) A typical human cell is about $10 \mu \mathrm{m}$ in diameter, modeled as a sphere. Express its volume in cubic meters. (d) A low-strength aspirin tablet (sometimes called a baby aspirin) contains $81 \mathrm{mg}$ of the active ingredient. How many kg of the active ingredient does a 100 -tablet bottle of baby aspirin contain? (e) The average flow rate of urine out of the kidneys is typically $1.2$ $\mathrm{mL} / \mathrm{min}$. Express the rate in $\mathrm{m}^{3} / \mathrm{s}$. (f) The density of blood proteins is about $1.4 \mathrm{~g} / \mathrm{cm}^{3} .$ Express the density in $\mathrm{kg} / \mathrm{m}^{3} . \underline{\text { Example } 1-2}$

Now. What is it given full it and hypertension research. Okay. John P. Foreman and co workers wanted to determine whether or not high folate intake is associated with lower risk of hypertension in younger women from 2074 4 years of days. To make this determination, they look at 7373 cases of hypertension in younger women. So 7373 cases. This is my sample, right? 7373 cases in this case forms my sample. And what is going to be the population then? Based on the sample, they're going to try to make an inference for all the younger women. So my population is my population. Is all the younger women, right? This is my answer.

In this question, it is given that well equals Thank you went swimming. But 0.691 Next one. Thus, 219 xto, my aunts 299 60 Fire blazing. Knicks won with 55 next to with 194 and 60 Way 142. We get boy equal 97.7 26 91 But the blood boy you see if I but 219. But the Blade boy 194 minus 299 But the break bar 100 that you? 100 49 point or approximately 100. Thank you.

All right guys, an important distinction to make here are important distinction to make is um, a population is the entire group. You want to draw conclusions about where the sample is just the specific people you are studying. Okay, So in this case our population is women between 27 44 years old, and the sample is the 7373 women who had cases of hypertension.

At two weeks after january 1st 2016, A patient's total cholesterol level T. Of T. And good cholesterol level G. Of tea are measured in milligrams per deciliter of blood. The cholesterol ratio R. F. T equals G. Of T over T. Of T. Is used to gauge the safety of a patient's cholesterol. Risk, the risk of cholesterol related illness is minimized when R is greater than 1/5 A. How is it possible for a patient's total cholesterol to increase while the cholesterol ratio remains constant. If the total cholesterol of the patient is increasing, then we'll know that T prime of T. Is greater than zero. If the cholesterol ratio is constant, will know that our prime of T. Is equal to zero. Let's see what's happening with G. Prime of T. To do that, we'll need to find the derivative our prime of T. Because this art equals G. Of T over T. Of T. Is a cushion. Will need to use the quotient rule. The quotient rule tells us that to take the derivative of a ratio of functions. Why oversee we will take the derivative of the numerator multiplied by the denominator minus the function of the numerator. Multiply by the derivative of the function in the denominator. All over the denominator squared. So when we apply this format to our equation for our F. T, we will have our prime of T is equal to G. Prime of T times T. Of t minus G M. T times T. Prime of T. All over TFT squared. And we know that our prime of T is equal to zero. So let's just set this equal to zero. If we isolate this G prime of T then we'll find that G prime of T is equal to G U T times T. Prime of T over T F T. We know that our F T is equal to G. Of T. Over T. F. T. So we can also rewrite this as R. Of T. Times T. Prime of T. So it's possible for a patient's total cholesterol to increase while the cholesterol ratio remains constant. If the good cholesterol level changes at a rate equal to R. F. T. Times T. Prime of T. B. On january 1st 2016. The patients total cholesterol is at 120 mg per deciliter and their good cholesterol is at 30 mg per deciliter. R. Is greater than 1/5. But the doctor wants the patient's good cholesterol to increase to 40 mg per deciliter. So the patient starts a diet which will increase the good cholesterol by one mg per deciliter each week but will not change the cholesterol ratio during the first week of the diet. What is the rate of change of the patients? Total cholesterol? Let's pull out all of our relevant information. So on january 1st 2016 this is zero weeks after january 1st 2016. So we know that T equals zero. The total cholesterol is at 1 20 mg per deciliter. So T. Of zero is equal to 1 20. They're good cholesterol is at 30 mg per deciliter. So G. Of zero equals 30. This diet will increase good cholesterol by one mg per deciliter each week. So G. Prime of T. Is equal to one. Will not change the cholesterol ratio. So our prime of T. Will be equal to zero. Our cholesterol ratio will have zero change during the first week of the diet. What is the rate of change of the patients total cholesterol? So we want to find T. Prime. Let's rearrange our equation R. F. T equals G. F. T. Over T. F. T. So that when we take the derivative we can directly find T prime of zero. So instead of R f T equals to give T over T. Of T. Let's use the equation T f T equals GFT over R f T. When we take the derivative of this, using the quotient rule, you will have T prime of T is equal to G. Prime T times are F t minus GFT times are prime of T over R. Of T squared. Now we can just go ahead and evaluate this at T equals zero. So T prime of zero is equal to G prime of zero. So G prime of any value of T is equal to one times are zero. We don't directly have a value for our zero, but we know that our equals G over tea. So we can say well have G of zero, which is 30 over T. Of zero, which is 1 20 minus G. Of zero, which is 30 times are prime of zero, which is zero all over R. Of T. Which at zero is 30/1 20 squared. When we evaluate this, we have deep prime of zero equals four. So this patients total cholesterol will change at a rate of four milligrams per deciliter per week. This is our final answer.


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